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Alexandrite
Alexandrite

Pargasite
Pargasite



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Alexandrite
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Pargasite

Alexandrite Vs Pargasite

Astrology

Origin

Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Origins: Russia
Southern and central Africa, Vietnam

Color

Green
Green, Black, Brown

Streak

-
White

For which Rashi?

Scorpio
-

Planet

Venus
-

Element of Planets

Earth
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
-

Not to wear with

-
-

Powers

Love
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.69-3.813.04-3.26
1 7.18
👆🏻

Fracture

-
Splintery, Uneven

Cleavage

1,1 ; 3,2.
{110} perfect

Mohs Hardness

8.55-6
2 10
👆🏻

Chemical Composition

BeAl 2 O 4
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent, Transparent to nearly opaque
Transparent

Refractive Index

1.739-1.7701.613-1.663
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.007-0.0100.020
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Aids in grounding and protection
-

Respiratory

Excellent
Excellent

Reproductive

Supports reproductive health
Supports reproductive health

Digestive

-
-

Psychology

Transformation
-

Healing

Emotional healing
Emotional healing

Qualities Associated

Transformation
Healing

Alexandrite Vs Pargasite Fracture

Fracture is an important parameter when you compare Alexandrite and Pargasite Physical Properties. It is necessary to understand the significance of these properties, before you compare Alexandrite Vs Pargasite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Pargasite fracture is Splintery and Uneven.

Alexandrite Vs Pargasite Luster

A primary knowledge about Alexandrite vs Pargasite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Alexandrite exhibits Vitreous luster. Pargasite, on other hand, exhibits Vitreous luster.